.kb-page{padding-bottom:4rem}.kb-filters{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:3rem;justify-content:center}.kb-filter-btn{padding:.6rem 1.2rem;border-radius:50px;border:1px solid var(--color-border);background:#fff;color:var(--color-text);font-weight:600;cursor:pointer;transition:all .2s ease;font-size:.95rem}.kb-filter-btn:hover{border-color:var(--color-primary);color:var(--color-primary);background:rgba(var(--color-primary-rgb),.05)}.kb-filter-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary);box-shadow:0 4px 12px rgba(var(--color-primary-rgb),.2)}.kb-filter-btn:focus-visible,.kb-article-card__link:focus-visible,.kb-empty__reset:focus-visible{outline:3px solid var(--color-secondary);outline-offset:3px}.kb-empty{max-width:42rem;margin:0 auto 2rem;padding:1.5rem;border:1px solid var(--color-border);border-radius:12px;background:#fff;text-align:center}.kb-empty__reset{min-height:44px;margin-top:.75rem;padding:.6rem 1rem;border:1px solid var(--color-primary);border-radius:8px;background:#fff;color:var(--color-primary);font:inherit;font-weight:600;cursor:pointer}.kb-articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem}.kb-article-card{background:#fff;border-radius:16px;padding:2rem;border:1px solid var(--color-border);box-shadow:0 2px 8px #0000000a;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease}.kb-article-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000014;border-color:var(--color-primary-light)}.kb-article-card__title{font-size:1.25rem;margin-bottom:1rem;color:var(--color-secondary);line-height:1.4}.kb-article-card__summary{font-size:1rem;color:var(--color-text-muted);margin-bottom:2rem;flex-grow:1;line-height:1.6}.kb-article-card__footer{display:flex;flex-direction:column;gap:.75rem}.kb-article-card__link{text-align:center;padding:.75rem;border-radius:8px;font-weight:600;font-size:.9rem;transition:all .2s}.kb-article-card__link--read{background:#c2410c;color:#fff;box-shadow:inset 0 1px #ffffff26,inset 0 -2px #0003,0 4px 12px #e85d0447}.kb-article-card__link--read:hover{background:#9a3412;transform:translateY(1px)}.kb-article-card__link--price{background:transparent;border:1px solid var(--color-primary);color:var(--color-primary)}.kb-article-card__link--price:hover{background:var(--color-primary);color:#fff}.kb-keywords-sec{border-top:1px solid var(--color-border);margin-top:var(--space-section-lg)}.kb-keywords{background:rgba(var(--color-secondary-rgb),.02);padding:2.5rem;border-radius:12px}.kb-keywords__title{margin-bottom:1.5rem;font-size:1.1rem;color:var(--color-text-muted)}.kb-keywords__list{display:flex;flex-wrap:wrap;gap:.5rem 1rem}.kb-keywords__list span{color:var(--color-text-muted);font-size:.85rem;white-space:nowrap}@media(max-width:768px){.kb-articles-grid{grid-template-columns:1fr}.kb-filters{justify-content:flex-start;overflow-x:auto;padding-bottom:1rem;-webkit-overflow-scrolling:touch}.kb-filter-btn{flex-shrink:0}}